Daniel Defense SBR Builder

Build Your Custom Daniel Defense SBR at Silencer Shop

Take full control of your short barrel rifle (SBR) build with the Daniel Defense SBR Builder. This exclusive feature lets you mix and match Daniel Defense upper receivers with compatible Daniel Defense lower receivers, creating a personalized SBR rifle tailored to your exact specifications.

With Silencer Shop's streamlined eForm 1 submission process, you’ll skip the typical wait times and get your custom SBR faster than ever. Paperwork approvals have averaged under two months, some in as little as four days!

How to Build Your Daniel Defense SBR

For even more details, see our step-by-step SBR builder guide to help with your custom Daniel Defense AR-15.

1. Choose Your Upper Receiver – Select from industry-leading Daniel Defense uppers, including:
   • MK18 10.3” Upper: Compact and combat-proven with a free-float quad rail.
   • DDM4 V7S 11.5” Upper: Lightweight with an M-LOK handguard for added customization.
   • DDM4 PDW 7” Upper (300 BLK): Optimized for suppressed shooting.
2. Pick Your Lower Receiver – Match your chosen upper with a Daniel Defense lower receiver for seamless compatibility. Options include:
   • MK18 Lower: Built for durability with an enhanced flared magazine well.
   • DDM4 V7S Lower: Precision CNC-machined with a mil-spec 6-position stock.
   • PDW Lower: Featuring the Maxim Defense CQB stock and enhanced buffer system for compact performance.
3. Silencer Shop Handles the Paperwork – We’ll help with the Form 1 application, CLEO notification, and firearm engraving, making the SBR registration process simple and stress-free.

Fast, Simple, and Hassle-Free Form 1 Process

Let Silencer Shop make the Form 1 process easy. We handle the hard part so you can focus on building and owning your ideal Daniel Defense SBR, without the long wait.

• Complete Your Order: Add your Daniel Defense SBR build to the cart and include an NFA Tax Stamp and Single Shot Trust (if applicable).
• Verify Your Account: Ensure your Silencer Shop profile is complete with your full legal name, trust name, and address, this information will be used for Form 1 engraving.
• Compliance Review: Our compliance team has a 99.5% accuracy rate (compared to the industry average of 60%), ensuring your eForm 1 application is correct.
• Document Approval: After compliance checks, you'll receive an electronic document email to review and sign your eForm 1 submission.
• Engraving & Dealer Transfer:
  
  • Your lower receiver will be engraved in-house with your Name (or Trust Name), City, and State.
  • It will then be shipped to your Powered by Silencer Shop dealer for pickup.
  • You will complete the 4473 transfer and NICS background check (if applicable) before taking possession.
• Ready to Certify: Once you pick up your lower receiver, log in to your Silencer Shop profile and select “I Have Received My Lower Receiver” to trigger your final eForm 1 submission.
• Certification & Approval:
  
  • After receiving a “Ready to Certify” email, log into your Silencer Shop profile to certify your eForm 1 using Full Auto Pro software.
  • Upon eForm 1 approval, select “My Form 1 is Approved”, and we’ll ship your upper receiver straight to your door!

Why Choose the Daniel Defense SBR Builder?

Customizable & Compatible – Choose the upper and lower receiver that fit your shooting needs.
Faster Approval Times – Using eForm 1, most approvals are processed in weeks, not months.
Premium Components – Only the best Daniel Defense uppers & lowers go into your short barreled rifle.
Engraving & Compliance Included – We ensure your SBR is legally engraved and compliant with ATF regulations.

Whether you’re looking for an SBR for range training or recreational shooting, the Daniel Defense SBR Builder delivers the performance and quality you expect from Daniel Defense rifles, customized to your preferences.